/* CSSVariantEngine v3.0 — gd-PandaSports.com.cn */
/* Palette: sidebar-classic | Radius: soft rounded | Shadow: multi-layer gradient | Spacing: moderate | Transition: 0.5s cubic-bezier */
/* Section layouts: {"news":"list-view","features":"grid-3","hero":"overlay","testimonials":"masonry","partners":"grid-6","faq":"with-sidebar","stats":"grid-4","cta":"centered"} */

:root {
    --color-primary: #252e3a;
    --color-primary-dark: #171d25;
    --color-accent: #ff7e5f;
    --color-surface: linear-gradient(135deg, #ffffff 0%, #f0f4f8 100%);
    --color-text: #1a2029;
    --rgb-primary: 37,46,58;
    --rgb-accent: 255,126,95;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 10px rgba(37, 46, 58, 0.11), 0 1px 4px rgba(37, 46, 58, 0.07);
    --shadow-md: 0 10px 28px rgba(37, 46, 58, 0.17), 0 4px 14px rgba(37, 46, 58, 0.09);
    --shadow-lg: 0 18px 52px rgba(37, 46, 58, 0.23), 0 7px 22px rgba(37, 46, 58, 0.13);
    --space-section: 3.2rem;
    --space-card: 1.4rem;
    --space-gap: 1.1rem;
    --transition: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --heading-weight: 800;
    --body-line-height: 1.75;
}

/* 基础覆盖 */
body { 
    color: var(--color-text); 
    line-height: var(--body-line-height);
    background: linear-gradient(180deg, #ffffff 0%, #e9eff6 100%);
    caret-color: var(--color-accent);
    accent-color: var(--color-accent);
}
h1, h2, h3, h4 { font-weight: var(--heading-weight); }
section, .section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.card, [class*="card"] { 
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow-md); 
    padding: var(--space-card); 
    transition: var(--transition);
    background: linear-gradient(145deg, #ffffff 0%, #f7fafc 100%);
}
.card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.btn, button[class*="btn"], a[class*="btn"] { 
    border-radius: var(--radius-md); 
    transition: var(--transition);
    background: linear-gradient(135deg, #ff7e5f 0%, #feb47b 100%);
    color: #ffffff;
    border: 2px solid transparent;
    box-shadow: var(--shadow-sm);
}
.btn:hover, button[class*="btn"]:hover, a[class*="btn"]:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    filter: brightness(1.08);
}
a:not([class]) { 
    color: var(--color-accent); 
    transition: var(--transition);
    text-shadow: 0 0 1px rgba(255,126,95,0.15);
}
a:not([class]):hover {
    color: #feb47b;
}

/* ========== Section Layout Variants ========== */

/* news: list-view */
/* 列表模式 (图左文右) */
                .news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
                .news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

/* features: grid-3 */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

/* hero: overlay */
/* 全屏背景+文字覆盖 */
                .hero { 
                    position: relative; 
                    min-height: 70vh; 
                    display: flex; 
                    align-items: center; 
                    background: linear-gradient(rgba(37, 46, 58, 0.78), rgba(23, 29, 37, 0.92));
                }
                .hero-content { 
                    position: relative; 
                    z-index: 1; 
                    backdrop-filter: blur(10px) saturate(130%);
                    padding: 2.2rem;
                    border-radius: var(--radius-xl);
                    background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.05) 100%);
                    box-shadow: var(--shadow-lg);
                }

/* testimonials: masonry */
.testimonial-list { column-count: 2; column-gap: var(--space-gap); }
                .testimonial-list > * { 
                    break-inside: avoid; 
                    margin-bottom: var(--space-gap);
                    background: radial-gradient(circle at top left, #ffffff 0%, #edf2f7 100%);
                    border-radius: var(--radius-xl);
                }

/* partners: grid-6 */
.partner-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-gap); align-items: center; }
.partner-grid .card {
    background: linear-gradient(145deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: var(--radius-md);
}

/* faq: with-sidebar */
/* FAQ 左 + 联系信息右 */
                .faq-wrapper { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
                .faq-wrapper .card:last-child {
                    background: linear-gradient(180deg, var(--color-primary) 0%, #3a495c 100%);
                    color: #ffffff;
                    border-radius: var(--radius-xl);
                }

/* stats: grid-4 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.stats-grid .card {
    background: linear-gradient(135deg, #252e3a 0%, #415063 100%);
    color: #ffffff;
    border-radius: var(--radius-lg);
}

/* cta: centered */
.cta-inner { 
    text-align: center; 
    max-width: 700px; 
    margin: 0 auto;
    padding: 3rem;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, #ff7e5f22 0%, #feb47b22 100%);
    border-image: linear-gradient(90deg, #ff7e5f 0%, #feb47b 50%, #ff7e5f 100%) 1;
    border-width: 3px;
    border-style: solid;
}

/* Page Layout: narrow-centered */
/* 窄版居中 */
            .page-main { max-width: 860px; margin: 0 auto; }

/* 条件性装饰 */
.card { 
    border-left: 4px solid;
    border-image: linear-gradient(180deg, #ff7e5f 0%, #feb47b 100%) 1;
}

/* Responsive */
@media (max-width: 1024px) {
    .news-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .feature-list { grid-template-columns: repeat(2, 1fr) !important; }
    .partner-grid { grid-template-columns: repeat(3, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .hero-inner { grid-template-columns: 1fr !important; }
}
@media (max-width: 640px) {
    :root { --space-section: 2.1rem; --space-card: 1.1rem; --space-gap: 0.8rem; }
    .news-grid { grid-template-columns: 1fr !important; }
    .feature-list { grid-template-columns: 1fr !important; }
    .faq-list { grid-template-columns: 1fr !important; }
    .testimonial-list { column-count: 1 !important; }
    .partner-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .cta-inner { grid-template-columns: 1fr !important; }
}